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Questions tagged [vhdx]

VHDX is the virtual hard disk format introduced with Hyper-V 2012. It is designed to enhance performance and data protections over the earlier VHD format.

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Hyperv-V creates mystery .avhdx files and fills up disk space

I have windows server 2016. Also i have Hyper-V role on my server. Every day in 5:36 i have error, that disk full and my virtual machine is stopping. In Hyper-V logs: ProviderName: Microsoft-Windows-Hyper-V-StorageVSP TimeCreated …
Piduna
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What are the possible reasons why Hyper-V can't compact a VHD?

I am hosting several virtual machines on a host running Hyper-V Server 2008 R2. The disks were originally provisioned on a different server (2008, not R2) about 16 months ago, and were migrated onto this server one year ago. Most guests are running…
Nic
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Moving Hyper-V virtual disk to SMB share gives file not found error in the end

I want to move some virtual disks to from an old ISCSI disk (old NAS) to a new SMB share but for every disk it gives a file not found error in the end and gives the location of the disk on the SMB share as file not found location. Whether I move a…
aardbol
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Hyper-V vhdx file is much larger than the contents

I have a virtual machine, that has dynamically expanding vhdx as a C drive. Or 'thin provisioned' to speak in terms of other hyper-visors. I'm running Windows server 2016 on it, as a DC to be exact. Over the time of two years the vhdx file grew;…
Dennis
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Ubuntu on Hyper-V and VHDX

I have a setup where I will run a Ubuntu Server on two VHDX disks. System 50GB and Data 4TB. They are located on a mirrored Storage Spaces Pool and are dynamic expanded. During the Ubuntu installation the system disk got created on first VHDX as a…
Sam
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Hyper-V guest failover cluster file server

Environnent is full Windows Server 2012 R2. I have a Hyper-V cluster on which I host a testing fail-over cluster file server with 2 guests. Guest cluster is running and file server role installed and running fine with many shares on it. For now a…
Cyril
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How to dismount a VHD that has been absorbed into a Storage Space

Normally in Windows, you can create a Virtual Hard Disk (VHD), see it in the Disk Management, right-click, and remove it: No problem. Storage Spaces Hides Disks I want to test the resiliency of Storage Spaces, and the ability to migrate them…
Ian Boyd
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Is it possible to mount VHDX in Linux as RW?

Is it possible to mount VHDX (not vhd) disk file in Linux as a read + write block device ? I have found that qemu-img allows conversion of vhdx disks to other formats, but I am looking for read + write mounting of such disks. There is also qemu-nbd…
TimB
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I can not boot my VHDX which was created from physical drive

I need to migrate my Server 2012 R2 Fileserver (physical) to another Server (virtual). That's why I need to create VHDX Files to run them later in Hyper-V All my drives were no problem, except the C Drive. Whenever I boot the created C Drive, I get…
SimonS
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Converting virtual drives from .vmdk to .vhdx produces huge files

I'm using powershell and ConvertTo-MvmcVirtualHardDisk cmdlet to convert .vmdk disks into .vhdx disks to be able to run them in our hyper-v environment. For some reason, the .vhdx files produced are huge, sometimes as much as ten times the original…
f0rsman
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Unable to start a VM with a Shared Disk

We're running Hyper-V 2019 on a 2 node cluster. We have 2 VMs in the Failover Cluster which are clustered together to run a server. This service requires a shared disk. The shared disk is located in a CSV on the Hyper-V Cluster. We recently stopped…
Greg
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Creating VHD using Microsoft's Systernals Disk2VHD program of production box

I created a VHD file of our small production server (hosting internal web pages for the company). I'd like to set up the VHD up as a dev server so that it'll be a mirror of the production system and I know the two environments are the same. It'll be…
HPWD
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Unable to assign drive letter to non-booting VHDX

I am trying to get a virtual file server (Windows 8.1 Pro, inherited) running on Windows Server 2016 (Standard). In Hyper-V Manager, I can create a Gen 2 VM (when I tried Gen 1, I couldn't get past the black screen with the blinking cursior) and…
s2z
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Cannot recover from Windows Server Backup after expanded volume

I am running a Windows Server 2012 r2 instance on Hyper-v, I set up Windows Server Backup to run every night to incrementally back up a large folder. The folder sits on the same Virtual Hard Disc as the virtual server (Disk 0 : Volume C:) but the…
YoizFi
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how to remove avhdx file?

I use Windows Server 2012 Hyper-V role. I accidentally pressed the "Snapshot" on a running VM. During the creation of snaphost, I clicked "cancel". The operation of creating a snapshot is successfully canceled, but is now VM used avhdx file instead…
Sergey.N
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